Home / 421,925.15-582,255.73-230,936.87

Finding the Fourth Proportional to 421,925.15, 582,255.73 and 230,936.87

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Solution

The fourth proportional to 421,925.15, 582,255.73 and 230,936.87 is: 318,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,925.15 : 582,255.73 = 230,936.87 : x
  2. Step 2: Convert to fraction form
    421,925.15/582,255.73 = 230,936.87/x
  3. Step 3: Cross multiply
    421,925.15x = 582,255.73 × 230,936.87
  4. Step 4: Simplify right side
    421,925.15x = 134,464,315,825.77
  5. Step 5: Solve for x
    x = 134,464,315,825.77/421,925.15
  6. Step 6: Final answer
    x = 318,692.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.